got a bit too hasty with the import optimization

fabric-crash-report-info/src/main/java/net/fabricmc/fabric/mixin/crash/MixinCrashReport.java

@@ -26,6 +26,9 @@ import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfo;
 
+import java.util.Map;
+import java.util.TreeMap;
+
 @Mixin(CrashReport.class)
 public abstract class MixinCrashReport {
 	@Shadow

fabric-lib/src/main/java/net/fabricmc/fabric/impl/event/EventFactoryImpl.java

@@ -21,6 +21,10 @@ import net.fabricmc.fabric.api.event.Event;
 import java.lang.invoke.MethodHandle;
 import java.lang.invoke.MethodHandles;
 import java.lang.invoke.MethodType;
+import java.lang.reflect.Array;
+import java.lang.reflect.Method;
+import java.lang.reflect.Modifier;
+import java.lang.reflect.Proxy;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.function.Function;

fabric-models/src/main/java/net/fabricmc/fabric/impl/client/model/ModelLoadingRegistryImpl.java

@@ -27,6 +27,10 @@ import net.minecraft.util.Identifier;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+import java.util.Objects;
 import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.stream.Collectors;

fabric-networking/src/main/java/net/fabricmc/fabric/impl/network/PacketRegistryImpl.java

@@ -27,6 +27,10 @@ import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
 import java.nio.charset.StandardCharsets;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.LinkedHashMap;
+import java.util.Map;
 
 public abstract class PacketRegistryImpl implements PacketRegistry {
 	protected static final Logger LOGGER = LogManager.getLogger();

fabric-registry-sync/src/main/java/net/fabricmc/fabric/mixin/registry/MixinIdRegistry.java

@@ -34,6 +34,8 @@ import org.spongepowered.asm.mixin.injection.At;
 import org.spongepowered.asm.mixin.injection.Inject;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
 
+import java.util.*;
+
 @Mixin(SimpleRegistry.class)
 public abstract class MixinIdRegistry<T> implements RemappableRegistry, ListenableRegistry<T>, RegistryListener<T> {
 	@Shadow

fabric-resource-loader/src/main/java/net/fabricmc/fabric/impl/resources/DeferredInputStream.java

@@ -20,6 +20,7 @@ import net.minecraft.util.Void;
 
 import java.io.IOException;
 import java.io.InputStream;
+import java.util.concurrent.Callable;
 
 /**
  * InputStream deferring to a separate I/O thread to work around

fabric-resource-loader/src/main/java/net/fabricmc/fabric/impl/resources/DeferredNioExecutionHandler.java

@@ -19,6 +19,7 @@ package net.fabricmc.fabric.impl.resources;
 import com.google.common.util.concurrent.ThreadFactoryBuilder;
 
 import java.io.IOException;
+import java.util.concurrent.*;
 
 class DeferredNioExecutionHandler {
 	private static final ThreadLocal<Boolean> DEFERRED_REQUIRED = new ThreadLocal<>();

fabric-resource-loader/src/main/java/net/fabricmc/fabric/impl/resources/ModNioResourcePack.java

@@ -31,6 +31,7 @@ import java.io.InputStream;
 import java.nio.file.DirectoryStream;
 import java.nio.file.Files;
 import java.nio.file.Path;
+import java.util.*;
 import java.util.function.Predicate;
 import java.util.regex.Pattern;
 

fabric-resource-loader/src/main/java/net/fabricmc/fabric/impl/resources/ResourceManagerHelperImpl.java

@@ -25,6 +25,8 @@ import net.minecraft.util.Identifier;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 
+import java.util.*;
+
 public class ResourceManagerHelperImpl implements ResourceManagerHelper {
 	private static final Map<ResourceType, ResourceManagerHelperImpl> registryMap = new HashMap<>();
 	private static final Logger LOGGER = LogManager.getLogger();

fabric-resource-loader/src/main/java/net/fabricmc/fabric/mixin/resources/MixinReloadableResourceManagerImpl.java

@@ -17,6 +17,9 @@
 package net.fabricmc.fabric.mixin.resources;
 
 import net.fabricmc.fabric.impl.resources.ResourceManagerHelperImpl;
+import net.minecraft.resource.ReloadableResourceManagerImpl;
+import net.minecraft.resource.ResourceReloadListener;
+import net.minecraft.resource.ResourceType;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
 import org.spongepowered.asm.mixin.injection.At;

fabric-resource-loader/src/main/java/net/fabricmc/fabric/mixin/resources/MixinReloadableResourceManagerImplClient.java

@@ -17,6 +17,10 @@
 package net.fabricmc.fabric.mixin.resources;
 
 import net.fabricmc.fabric.impl.resources.ResourceManagerHelperImpl;
+import net.minecraft.resource.ReloadableResourceManagerImpl;
+import net.minecraft.resource.ResourceReloadListener;
+import net.minecraft.resource.ResourceReloadMonitor;
+import net.minecraft.resource.ResourceType;
 import net.minecraft.util.Void;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;

fabric-tag-hooks/src/main/java/net/fabricmc/fabric/api/tag/TagRegistry.java

@@ -21,6 +21,7 @@ import net.minecraft.block.Block;
 import net.minecraft.entity.EntityType;
 import net.minecraft.fluid.Fluid;
 import net.minecraft.item.Item;
+import net.minecraft.tag.*;
 import net.minecraft.util.Identifier;
 
 import java.lang.reflect.Field;

fabric-textures/src/main/java/net/fabricmc/fabric/mixin/client/texture/MixinSpriteAtlasTexture.java

@@ -32,9 +32,14 @@ import net.minecraft.util.crash.CrashReportSection;
 import org.apache.logging.log4j.Logger;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.Shadow;
+import org.spongepowered.asm.mixin.injection.At;
+import org.spongepowered.asm.mixin.injection.Inject;
+import org.spongepowered.asm.mixin.injection.ModifyVariable;
+import org.spongepowered.asm.mixin.injection.Redirect;
 import org.spongepowered.asm.mixin.injection.callback.CallbackInfoReturnable;
 
 import java.io.IOException;
+import java.util.*;
 
 @Mixin(SpriteAtlasTexture.class)
 public abstract class MixinSpriteAtlasTexture {